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Robert A Adler, Ghada El-Hajj Fuleihan, Douglas C Bauer, Pauline M Camacho, Bart L Clarke, Gregory A Clines, Juliet E Compston, Matthew T Drake, Beatrice J Edwards, Murray J Favus, Susan L Greenspan, Ross McKinney, Robert J Pignolo, Deborah E Sellmeyer
No abstract text is available yet for this article.
October 2016: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
(no author information available yet)
The above article, published online on 1 December 2000 in Wiley Online Library (, and in Volume 15, Issue 12, pages 2487-2494, has been retracted by agreement between the authors, the Journal Editor in Chief, Juliet Compston, and Wiley Periodicals, Inc. The retraction has been agreed due to concerns about the underlying data to which the authors have given no satisfactory response. Dr Sato acknowledges that his co-authors are named as such for honorary reasons and are not responsible for the content of the manuscript...
October 2016: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
E Ylinen, L Salmela, J Peräsaari, T Jaatinen, A Tenca, O Vapalahti, M Färkkilä, H Jalanko, K-L Kolho
AIM: The human leukocyte antigen (HLA) allele and haplotype frequencies of the Finnish population are unique because of the restricted and homogenous gene population. There are no published data on HLA genotype associations in paediatric autoimmune liver diseases in Scandinavia. This study characterised the HLA genotypes of children with autoimmune liver or biliary disease in Finland. METHODS: The study cohort comprised 19 paediatric patients (13 female) aged 3-15 years treated for autoimmune liver or biliary disease at the Children's Hospital, Helsinki University Hospital, between 2000 and 2011 and followed up for 4...
October 19, 2016: Acta Paediatrica
Y-C Huang, J Xiao, W Y Leung, W W Lu, Y Hu, K D Luk
Previous human study suggested that fresh-frozen intervertebral disc allograft transplantation can relieve neurological symptoms and restore segmental kinematics. Before wide clinical application, research into the pathophysiology of the postoperative disc allograft is needed. One important question that remains to be answered in disc allografting is the healing process of the host-graft interface and the subsequent change of the endplates. With the goat model for lumbar disc allografting, histology, micro-computed tomography analysis, scanning electron microscopy and energy-dispersive X-ray spectroscopy mapping were applied to evaluate the healing of the host-graft interfaces, the remodelling of subchondral bone, and the changes of the bony and cartilaginous endplates after transplantation...
October 19, 2016: European Cells & Materials
Luis Schiper, Bluma Linkowski Faintuch, Roberto José da Silva Badaró, Erica Aparecida de Oliveira, Victor E Arana Chavez, Elisangela Chinen, Joel Faintuch
OBJECTIVES: Conventional imaging methods are excellent for the morphological characterization of the consequences of osteonecrosis; however, only specialized techniques have been considered useful for obtaining functional information. To explore the affinity of radiotracers for severely devascularized bone, a new mouse model of isolated femur implanted in a subcutaneous abdominal pocket was devised. To maintain animal mobility and longevity, the femur was harvested from syngeneic donors...
October 1, 2016: Clinics
Sergio Pina-Oviedo, Carlos A Torres-Cabala, Roberto N Miranda, Michael T Tetzlaff, Selina Singh, Ronald P Rapini, Victor G Prieto, Phyu P Aung
Leukemia cutis develops in <4% of all acute leukemias. Concurrent acute myeloid leukemia (AML) and Langerhans cell histiocytosis (LCH) is rare, with most cases involving lymph nodes or spleen, and no cutaneous involvement. We report the case of a 59-year-old man who presented with fever, malaise, and fatigue. The CBC showed leukocytosis (30.4 × 10/L, 9% blasts), anemia, and thrombocytopenia. Bone marrow biopsy was diagnosed with AML, not otherwise specified, with mutations of FLT3 and IDH2 (R140Q). The patient developed skin rash on the right flank with the clinical differential diagnosis of herpes simplex virus or varicella-zoster virus infection/reactivation versus leukemia cutis...
October 18, 2016: American Journal of Dermatopathology
Mohammad-Ali Yazdani Abyaneh, Peter Engel, Andrzej Slominski, Bruce Ragsdale, Richard Agag, Daniel Cramer, J Andrew Carlson
BACKGROUND: Giant basal cell carcinomas (GBCCs), (BCC ≥ 5 cm), are often painless, destructive tumors resulting from poorly understood patient neglect. OBJECTIVES: To elucidate etiopathogenic factors distinguishing GBCC from basal cell carcinoma (BCC) and identify predictors for disease-specific death (DSD). METHODS: Case-control study examining clinicopathologic and neuroactive factors (β-endorphin, met-enkephalin, serotonin, adrenocorticotropic hormone, and neurofilament expression) in GBCC and BCC...
October 18, 2016: American Journal of Dermatopathology
Masateru Nagae, Yasuo Mikami, Kentaro Mizuno, Tomohisa Harada, Takumi Ikeda, Hitoshi Tonomura, Ryota Takatori, Hiroyoshi Fujiwara, Toshikazu Kubo
INTRODUCTION: Polymethylmethacrylate (PMMA) cement is useful for spinal reconstruction, but can cause complications including new vertebral fractures, neurological disorders and pulmonary embolism. We report a case in PMMA cement used for spinal reconstruction after tumor curettage dislodged and penetrated the gastrointestinal tract. DIAGNOSES: The patient was diagnosed with a retroperitoneal extragonadal germ cell tumor at age 27 years. After chemotherapy and tumor resection, the tumor remained...
October 2016: Medicine (Baltimore)
Mohammad Adawi, Bishara Bisharat, Abdalla Bowirrat
BACKGROUND: Erdheim-Chester disease (ECD) is an uncommon aggressive, multisystem form of non-Langerhans' cell histocytosis, which was firstly reported by Jakob Erdheim and William chester in 1930. The disease pathological features encompass an aberrant multiplication, overproduction and accumulation of white blood cells called histiocytes within multiple tissues and organs. Herein, we present a case of ECD owing to the rarity of this disease (roughly 550 cases have been described in the literature to date)...
October 2016: Medicine (Baltimore)
Lea Bottlaender, Marie Perier-Muzet, Véronique Lapras, Luc Thomas, Stephane Dalle
BRAF inhibitors (vemurafenib and dabrafenib) are nowadays commonly prescribed in BRAF-mutant metastatic melanoma and allow improvement of the overall survival and progression-free survival. They are, however, accompanied by many adverse effects which mainly affect the skin. We observed on computed tomographic scans in three different patients after 3 months of treatment, the onset of osteosclerotic lesions. In parallel, the computed tomographic scans showed a significant reduction in all of the previously identified metastases in all patients...
October 18, 2016: Melanoma Research
Thomas Young Ho Yoon, Richard A Michaud, Mitesh Patel, Alexandra M Manibo
OBJECTIVE: This study was conducted to evaluate variations in and the prevalence of the lingual concavity. MATERIALS & METHODS: This study used images taken between January 1st, 2011 and August 31st, 2015 from a total of 104 patient charts randomly selected from a private practice. These images were all acquired from a single cone beam computed tomography (CBCT) machine. The CBCT's were reviewed in cross sectional images of both the left and right anterior incisor and posterior molar regions...
October 19, 2016: Journal of Oral Implantology
Pier Paolo Poli, Marco CicciÃ, Mario Beretta, Carlo Maiorana
The clinical condition involving dental implants, characterized by soft tissue inflammation, bleeding, suppuration and rapid bone loss is widely known as peri implantitis. The main objective in the treatment of peri-implantis is to arrest the progression of the disease and at the same time to keep the dental implant in the mouth solving the inflammations signs of bleeding and pain. The aim of this paper is to highlight the effectiveness of the use of titanium brush and antimicrobial photodynamic therapy (aPDT) to decontaminate the implant surface, in association with regenerative procedures by means of autologous bone and demineralized bovine bone mineral (DBBM) in the treatment of peri-implantitis defects...
October 19, 2016: Journal of Oral Implantology
Mette H Hjorth, Maiken Stilling, Kjeld Søballe, Poul Torben Nielsen, Poul H Christensen, Søren Kold
Background and purpose - Short-term experimental studies have confirmed that there is superior fixation of cementless implants inserted with compaction compared to broaching of the cancellous bone. Patients and methods - 1-stage, bilateral primary THA was performed in 28 patients between May 2001 and September 2007. The patients were randomized to femoral bone preparation with broaching on 1 side and compaction on the other side. 8 patients declined to attend the postoperative follow-up, leaving 20 patients (13 male) with a mean age of 58 (36-70) years for evaluation...
October 19, 2016: Acta Orthopaedica
H Oda, M Sandou, C-M Lin, M Kamata, T Kawata
AIM: The reported effects of Bionator treatment in patients with mandibular retrognathism are conflicting. This study evaluated the changes in craniofacial morphology resulting from treatment with a Bionator, based on measurement percentiles previously reported, to clarify the mechanism of the effect of this commonly used functional device. MATERIALS AND METHODS: Study Design: Retrospective. SETTING: A private orthodontic clinic. PARTICIPANTS: Forty-two children (mean age, 10...
September 2016: European Journal of Paediatric Dentistry: Official Journal of European Academy of Paediatric Dentistry
Simone Vargas da Silva, Mariana Renovato-Martins, Cristiane Ribeiro-Pereira, Marta Citelli, Christina Barja-Fidalgo
OBJECTIVE: To investigate the role of obesity on the bone marrow microenvironment and evaluate its possible impact on the adipogenic potential of mesenchymal stem cells (MSC). METHODS: C57BL/6 male mice were fed with a high-fat diet (HFD) for 10 weeks. Femurs and tibiae were collected, and bone marrow mesenchymal stem cells (BM-MSC) were isolated and analyzed for proliferative potential, immunophenotype, and expression of adipogenesis markers. Their capacity to produce extracellular matrix proteins and proinflammatory cytokines in vitro was also evaluated...
October 18, 2016: Obesity
Somia H Abd Allah, Sally M Shalaby, Amal S El-Shal, Sameh M El Nabtety, Tarek Khamis, Shimaa A Abd El Rhman, Mahmoud A Ghareb, Hesham M Kelani
Exciting advances are revealing that breast milk harbors populations of stem and progenitor cells, and much attention is now intensified on delineating their properties and functions. The aim of this study is to isolate a mesenchymal stem cell (MSC)-like population from rabbit breast milk and track their integration into the different organs of the breastfed rabbits after taken by oral route and to explore the functional role of stem cells in the breastfed newborn babies. Ten newborn rabbits 2 weeks old fed on 2 × 10(6) PKH26-labeled rabbit milk derived-MSCs suspended in 2 mL Dulbecco's modified Eagle's medium (DMEM) and 10 newborn baby rabbits fed with 2 mL DMEM solution or with rabbit fibroblasts as a control group were used in the study...
October 17, 2016: IUBMB Life
Zhongyang Lu, Yanchun Li, Colleen W Brinson, Keith L Kirkwood, Maria F Lopes-Virella, Yan Huang
BACKGROUND: We reported that high-fat diet (HFD)-induced metabolic syndrome (MetS) exacerbates lipopolysaccharide (LPS)-stimulated periodontitis and palmitate, the major saturated fatty acid in the HFD, amplified LPS-stimulated gene expression in vitro. Since CD36 is a major receptor for fatty acids, we investigated periodontal CD36 expression in mice with periodontitis and MetS, and the role of CD36 in inflammatory genes in macrophages stimulated by palmitate. METHODS: MetS and periodontitis were induced in mice by HFD and periodontal injection of LPS, respectively...
October 18, 2016: Oral Diseases
Takashi Ishida, Sachie Suzuki, Chen-Yi Lai, Satoshi Yamazaki, Shigeru Kakuta, Yoichiro Iwakura, Masanori Nojima, Yasuo Takeuchi, Masaaki Higashihara, Hiromitsu Nakauchi, Makoto Otsu
Hematopoietic stem cell (HSC) transplantation (HSCT) for malignancy requires toxic pre-conditioning to maximize anti-tumor effects and donor-HSC engraftment. While this induces bone marrow (BM)-localized inflammation, how this BM environmental change affects transplanted HSCs in vivo remains largely unknown. We here report that, depending on interval between irradiation and HSCT, residence within lethally irradiated recipient BM compromises donor-HSC reconstitution ability. Both in vivo and in vitro we demonstrate that, among inflammatory cytokines, TNF-α plays a role in HSC damage: TNF-α stimulation leads to accumulation of reactive oxygen species (ROS) in highly purified hematopoietic stem/progenitor cells (HSCs/HSPCs)...
October 18, 2016: Stem Cells
Eric S Orwoll, Jodi Lapidus, Patty Y Wang, Liesbeth Vandenput, Andrew Hoffman, Howard Fink, Gail A Laughlin, Maria Nethander, Östen Ljunggren, Andreas Kindmark, Mattias Lorentzon, Magnus Karlsson, Dan Mellström, Anthony Kwok, Sundeep Khosla, Timothy Kwok, Claes Ohlsson
Measurement of serum testosterone (T) levels is recommended in the evaluation of osteoporosis in older men and estradiol (E2) and sex hormone binding globulin (SHBG) levels are associated with the rate of bone loss and fractures, but the clinical utility of sex steroid and SHBG measurements for the evaluation of osteoporosis in men has not been examined. To evaluate whether measurements of T, E2 and/or SHBG are useful for the prediction of fracture risk or the rate of bone loss in older men, we analyzed longitudinal data from 5487 community-based men participating in the MrOS Study in the US, Sweden and Hong Kong...
October 18, 2016: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
Irina N Vasilyeva, Valery N Zinkin, Vladimir G Bespalov
Exposure to either to low-frequency noise or ionizing radiation causes an increase in the number of chromosomal aberrations in the bone marrow cells and the level of low-molecular-weight DNA in the blood plasma of experimental animals. The dynamics of the content of low-molecular-weight DNA increasing after exposure to low-frequency noise and ionizing radiation differs significantly. Both exposures are able to provide a direct damaging effect on DNA.
2016: Advances in Experimental Medicine and Biology
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